.container{
    background-image: url("../images/login.png");
    background-size: 100% 100%;
    height: 100%;
}
.container .box{
    width: 100%;
    height: 100%;    
    color: #fff;
    padding: .8rem;
    box-sizing: border-box;
    position: relative;
}
.container .box h1{
    font-size: .72rem;
}
.container .box .bottom{
    height: 1.75rem;
    position: absolute;
    bottom: .8rem;
    width: 100%;
    box-sizing: border-box;
    left: 0;
    padding:0 .8rem;
}
.container .box .bottom .btn{
    width: 2.8rem;
    height: .95rem;
    text-decoration: none;
    text-align: center;
    line-height: 1.1rem;
    color: inherit;
    font-size: .42rem;
    display: block;
}
.container .box .bottom .login{
    background-color: #ff3b3d;
}
.container .box .bottom .reg{
    background-color: #333;
}
.container .box .bottom .access{
    font-size: .28rem;
    color: inherit;
    margin-top: .28rem;
}
